Inventor

Royden Thomas Kern

Inventor

Lexington, KY, US

Overview

2004–2016

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography67%

F16JPistons13%

B05CApparatus for applying fluent materials to surfaces, in general7%

B05DProcesses for applying fluent materials to surfaces, in general7%

B41JTypewriters7%

PatentTitleYear

9,389,540'End sealing and magnetic field truncation of a magnetic roll of a dual component development electrophotographic image forming device'2016 9,188,907'End sealing and magnetic field truncation of a magnetic roll of a dual electrophotographic image forming device'2015 8,583,003'Tubular skiving seal for a rotary toner metering mechanism and methods for forming the tubular skiving seal'2013 8,380,102'Tubular skiving seal for a rotary toner metering mechanism'2013 8,150,297'Geneva drive and locking mechanism therefor in a toner metering mechanism for an image forming apparatus'2012 8,059,993'Rotating toner cleaning member for a toner delivery device in an image forming apparatus'2011 7,702,267'Apparatus and method for transfer of image forming substances'2010 7,590,373'Toner metering apparatus'2009 7,532,843'Image forming substance engaging device'2009 7,389,072'Reducing adhesion of toner to metering devices'2008 6,955,721'System and method of coating print media in an inkjet printer'2005 6,706,118'Apparatus and method of using motion control to improve coatweight uniformity in intermittent coaters in an inkjet printer'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2016Patents assigned to LEXMARK INT INC (12)· patent assignee history

2004–2016Based in Lexington, KY, US· patent location history

2011–2013Patents assigned to KERN ROYDEN THOMAS (3)· patent assignee history

2011–2012Patents assigned to GAYNE JARRETT CLARK (2)· patent assignee history

2012Patents assigned to VEGO ASMUND (1)· patent assignee history

2013Patents assigned to MERRIFIELD DAVID LEE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LEXMARK INT INC	12	2004–2016
KERN ROYDEN THOMASself	3	2011–2013
GAYNE JARRETT CLARK	2	2011–2012
MERRIFIELD DAVID LEE	1	2013
VEGO ASMUND	1	2012

Locations

Location	Patents	Span
Lexington, KY, US	12	2004–2016